Active Fire Alarm is now Mammoth Fire Alarms, Inc.

Please call us for service at 1-800-995-9808.

About Mammoth Fire Alarms, Inc. (MFA)

Since 1991, Mammoth Fire Alarms, Inc. (MFA) has earned its reputation as a leading independent fire alarm equipment distributor in New England by focusing on the needs of the electrical contractor, before and after the installation. Learn More»

MFA Products

Mammoth Fire Alarms, Inc. prides itself on providing not only our outstanding customer support "even after the sale", but additionally on supplying state of the art, quality, reliable equipment. Learn More»

MFA Services

Mammoth Fire Alarms, Inc. offers a full array of services that set us apart from other fire alarm system distributors... Learn More»